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Finding the Fourth Proportional to 275,077.71, 412,572.31 and 75,351.42

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Solution

The fourth proportional to 275,077.71, 412,572.31 and 75,351.42 is: 113,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,077.71 : 412,572.31 = 75,351.42 : x
  2. Step 2: Convert to fraction form
    275,077.71/412,572.31 = 75,351.42/x
  3. Step 3: Cross multiply
    275,077.71x = 412,572.31 × 75,351.42
  4. Step 4: Simplify right side
    275,077.71x = 31,087,909,222.80
  5. Step 5: Solve for x
    x = 31,087,909,222.80/275,077.71
  6. Step 6: Final answer
    x = 113,015.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.